1
0
Fork 0
mirror of https://gitlab.com/sortix/sortix.git synced 2023-02-13 20:55:38 -05:00
sortix--sortix/kernel/textterminal.h
2016-11-27 11:18:48 +01:00

90 lines
2.6 KiB
C++

/*
* Copyright (c) 2011, 2012, 2013, 2014, 2015 Jonas 'Sortie' Termansen.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* textterminal.h
* Translates a character stream to a 2 dimensional array of characters.
*/
#ifndef SORTIX_TEXTTERMINAL_H
#define SORTIX_TEXTTERMINAL_H
#include <wchar.h>
#include <sortix/kernel/kthread.h>
#include <sortix/kernel/refcount.h>
namespace Sortix {
class TextBufferHandle;
class TextTerminal
{
public:
TextTerminal(TextBufferHandle* textbufhandle);
~TextTerminal();
size_t Print(const char* string, size_t stringlen);
size_t PrintRaw(const char* string, size_t stringlen);
size_t Width() const;
size_t Height() const;
void GetCursor(size_t* column, size_t* row) const;
bool Sync();
bool Invalidate();
void BeginReplace();
void CancelReplace();
void FinishReplace(TextBuffer* textbuf);
bool EmergencyIsImpaired();
bool EmergencyRecoup();
void EmergencyReset();
size_t EmergencyPrint(const char* string, size_t stringlen);
size_t EmergencyPrintRaw(const char* string, size_t stringlen);
size_t EmergencyWidth() const;
size_t EmergencyHeight() const;
void EmergencyGetCursor(size_t* column, size_t* row) const;
bool EmergencySync();
private:
void PutChar(TextBuffer* textbuf, char c);
void UpdateCursor(TextBuffer* textbuf);
void Newline(TextBuffer* textbuf);
void Backspace(TextBuffer* textbuf);
void Tab(TextBuffer* textbuf);
void PutAnsiEscaped(TextBuffer* textbuf, char c);
void RunAnsiCommand(TextBuffer* textbuf, char c);
void AnsiReset();
void Reset();
private:
mbstate_t ps;
mutable TextBufferHandle* textbufhandle;
mutable kthread_mutex_t termlock;
uint16_t next_attr;
uint8_t vgacolor;
unsigned column;
unsigned line;
unsigned ansisavedposx;
unsigned ansisavedposy;
enum { NONE = 0, CSI, COMMAND, } ansimode;
static const size_t ANSI_NUM_PARAMS = 16;
unsigned ansiusedparams;
unsigned ansiparams[ANSI_NUM_PARAMS];
unsigned currentparamindex;
bool paramundefined;
bool ignoresequence;
};
} // namespace Sortix
#endif